This research group focuses on environmental analysis, bio-analysis and bio-separations, including environmental contaminants, toxins, DNAs, proteins, peptides, amino acids, small molecules, cancer markers and other biological compounds. Research is conducted using high performance liquid chromatography (HPLC), high performance thin layer chromatography (HPTLC), high performance capillary electrophoresis (HPCE), GC-MS, HPLC-MS, HPCE-MS, gel electrophoresis, and size-exclusion chromatography, in an attempt to develop new bioanalytical instrumentation and procedures. Laser spectroscopy, standard "wet" chemistry plus the extensive use of personal computers for data collection and data processing are also incorporated into all of the research projects. In addition, we have focused on precancer screening for the past several years and will continue with this research project in the years to come. Precancer screening at the single molecular level is our eventual goal.